errors参数国际化

prompt.name=(en)username
error.username.wrong={0} is wrong
public class RegUser extends Action {
@Override
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception {

UserForm userForm = (UserForm)form;
ActionMessages errors = new ActionMessages();
if(userForm.getUser().getUsername().trim().equals("wxx")) {

errors.add("username", new ActionMessage("error.username.wrong",getResources(request).getMessage(getLocale(request), "prompt.name")));// saveErrors(request, errors);
return mapping.getInputForward();
}
return mapping.findForward("success");
}
}


<action input="/WEB-INF/user/regUser.jsp" name="userForm" path="/RegUser" type="cn.user.strutsdemo.actions.RegUser">
<forward name="success" path="/WEB-INF/user/main.jsp"></forward>
</action>


<input type="text" name="user.username" value="${userForm.user.username}"/> <html:errors property="username" header="" footer="" prefix="" suffix="" /><br>